[The Free Economic Society and the development of hygiene in Russia. (The 200th anniversary of its foundation)].
D004467:Economics / Q000266:history*; D049671:History, 18th Century; D049672:History, 19th Century; D006801:Humans; D006920:Hygiene / Q000266:history*; D011634:Public Health / Q000266:history*; D012425:Russia (Pre-1917)
Vol'noe ékonomicheskoe obshchestvo i razvitie gigieny v Rossii. (K 200-letiiu so dnia osnovaniia)